Thermometer



FIG. 1 is a perspective view of a thermometer in accordance with the present design;

FIG. 2 is a front elevational thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a right side elevational view thereof; the left side elevational view being identical therewith; 

The ornamental design for a thermometer, as shown and described. 